Online co-op Indie games

Every online co-op Indie game on Steam we know of. Add tags, a price band or a review floor to narrow it down.

Showing 481–490 of 3,528 games matching Indie, newest first · updated 13 Oct 2026

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Free
Released
Price
Free
Players
👥 Not stated
Reviews
100% of 2

Operation is a zombie horror action game where players enter a sealed operation zone, fight infected enemies, complete mission objectives, and survive with teammates in a dark and dangerous environment.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
33% of 3

A first-person card game where horror isn’t constant: it appears only when the match decides. For 1–4 players with real-time voice chat, over 900 dynamic events, cursed progression, and a final boss waiting for the challenge.

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$
Released
Price
$ · Cheap
Players
👥 1–4 players
Reviews
80% of 5

Cursed Cargo is an online co-op comedy-horror where the environment is as dangerous as the monsters. Team up with up to 4 players to transport unpredictable cargo using physics-based tools. Use proximity voice chat to coordinate, but be careful the entities are always listening.

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Challenge your friends in a high-stakes blend of card strategy and brutal arena combat, where a round of President decides your rank! Your hierarchy dictates your power in battle, letting you exploit your friends from the President's throne, or forcing you to beg for mercy as the Scum!

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$
Released
Price
$ · Cheap
Players
👥 Not stated

Explore ever-shifting depths in Dungeon Door, a classic 2D pixel-art action roguelike. Play a Warrior, Archer, or Mage across 999 floors that reshape every time. Escape collapsing dungeons, gamble on mystery boxes, and crack open locked vaults.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Survive a hostile chessboard where you are the only white piece. Escape enemy waves, get power ups, clear story campaign and chase high scores in endless mode. Make your final legal move.

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$
Released
Price
$ · Cheap
Players
👥 Not stated
Reviews
100% of 2

Develop your nation, command your army, and dominate the world in a real-time strategy game combining economic management, diplomacy, technological progress, and military conquest.

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$$
Released
Price
$$ · Standard
Players
👥 Not stated
Reviews
77% of 9

Backrooms Multiverse is a cooperative survival horror exploration game where you play as a team of researchers venturing deep into the endless Backrooms multiverse. Explore rare and mysterious environments, and encounter unique entities that few explorers have ever lived to see.

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